Table 1.

Summary of metacognitive measures classified by domain and time of elicitation. We note that a more general class of prospective judgements is also possible that refers to cognitive abilities not tied to a particular task.

timing	object-level domain
	memory	decision-making	sensory
prospective	judgement of learning; feeling of knowing	performance estimate	n.a.
retrospective	confidence	confidence, wager	visibility rating, confidence